Microbial remediation test device capable of changing crack angle
A technology for microbial remediation and testing device, applied in the field of microbial remediation testing device, can solve problems such as failure to respond well to crack formation and the like
Active Publication Date: 2021-04-06
CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION
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[0003] The Chinese invention patent application with the authorized announcement number CN105911260B discloses a test device for microbial repair of concrete cracks, including a test tank, in which two concrete specimens opposite to each other are placed. There are gaps formed between the parts; by rotating the transmission screw, concrete cracks of different widths can be quickly formed. Since the width of the cracks is usually various, the existing technology can only form regular cracks with a certain width, and cannot be very fast. The formation of good response cracks has certain limitations for the test
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[0027] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content described in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.
[0028] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...
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The invention discloses a microbial remediation test device capable of changing a crack angle, which belongs to the technical field of concrete crack remediation, and comprises a test box body and two groups of concrete test assemblies oppositely arranged in the test box body, wherein the concrete test assembly comprises a concrete sample piece, a rotary supporting frame, a locking device, an elastic connecting device, a sliding supporting block, a pushing device and a follow-up sealing device, the concrete sample piece is fixed to the rotary supporting frame, and the rotary supporting frame can move in the length direction of the test box body; concrete sample pieces of the two groups of concrete test assemblies are separated to form a crack; and the follow-up sealing device is arranged at the bottom of the crack and is used for sealing. The device disclosed by the invention can be used for adjusting the width of the concrete crack, so that the test device can adapt to various working conditions, and plays a better guiding role in subsequent concrete crack repair.
Description
technical field [0001] The invention belongs to the technical field of concrete crack repair, and in particular relates to a microbial repair test device capable of changing the crack angle. Background technique [0002] In water conservancy engineering facilities, concrete will produce cracks due to plastic shrinkage, temperature difference, uneven settlement, excessive bearing capacity, etc. The surface cracks of concrete will accelerate the erosion of concrete, while the deep cracks of concrete will cause leakage of the structure , affecting the stability and safety of the structure. Therefore, it is particularly important to repair the cracks in concrete in time. At present, there are many ways to repair concrete cracks, such as surface spraying, crack filling, crack grouting, etc. At present, with the interdisciplinary and comprehensive development of biology, chemistry, geotechnical and other disciplines, a non-toxic, environmentally friendly and durable microorganism...
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IPC IPC(8): G01N33/38
CPCG01N33/383
Inventor 田曼丽王杰史翠平
Owner CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION